/*
silverPDF is sponsored by Aleyant Systems (http://www.aleyant.com)

silverPDF is based on PdfSharp (http://www.pdfsharp.net) and iTextSharp (http://itextsharp.sourceforge.net)

Developers: Ai_boy (aka Oleksii Okhrymenko)

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above information and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR SPONSORS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/
#region PDFsharp - A .NET library for processing PDF
//
// Authors:
//   Klaus Potzesny (mailto:Klaus.Potzesny@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Diagnostics;
using System.ComponentModel;
using PdfSharp.Drawing;

namespace PdfSharp.Drawing.BarCodes
{
  /// <summary>
  /// Represents the base class of all bar codes.
  /// </summary>
  public abstract class BarCode : CodeBase
  {
    /// <summary>
    /// Initializes a new instance of the <see cref="BarCode"/> class.
    /// </summary>
    /// <param name="text"></param>
    /// <param name="size"></param>
    /// <param name="direction"></param>
    public BarCode(string text, XSize size, CodeDirection direction)
      : base(text, size, direction)
    {
      this.text = text;
      this.size = size;
      this.direction = direction;
    }

    /// <summary>
    /// Creates a bar code from the specified code type.
    /// </summary>
    public static BarCode FromType(CodeType type, string text, XSize size, CodeDirection direction)
    {
      switch (type)
      {
        case CodeType.Code2of5Interleaved:
          return new Code2of5Interleaved(text, size, direction);

        case CodeType.Code3of9Standard:
          return new Code3of9Standard(text, size, direction);

        default:
          throw new InvalidEnumArgumentException("type", (int)type, typeof(CodeType));
      }
    }

    /// <summary>
    /// Creates a bar code from the specified code type.
    /// </summary>
    public static BarCode FromType(CodeType type, string text, XSize size)
    {
      return FromType(type, text, size, CodeDirection.LeftToRight);
    }

    /// <summary>
    /// Creates a bar code from the specified code type.
    /// </summary>
    public static BarCode FromType(CodeType type, string text)
    {
      return FromType(type, text, XSize.Empty, CodeDirection.LeftToRight);
    }

    /// <summary>
    /// Creates a bar code from the specified code type.
    /// </summary>
    public static BarCode FromType(CodeType type)
    {
      return FromType(type, String.Empty, XSize.Empty, CodeDirection.LeftToRight);
    }

    /// <summary>
    /// When overridden in a derived class gets or sets the wide narrow ratio.
    /// </summary>
    public virtual double WideNarrowRatio 
    {
      get { return 0; }
      set { }
    }

    /// <summary>
    /// Gets or sets the location of the text next to the bar code.
    /// </summary>
    public TextLocation TextLocation
    {
      get { return this.textLocation; }
      set { this.textLocation = value; }
    }
    internal TextLocation textLocation;

    /// <summary>
    /// Gets or sets the length of the data that defines the bar code.
    /// </summary>
    public int DataLength
    {
      get { return this.dataLength; }
      set { this.dataLength = value; }
    }
    internal int dataLength;

    /// <summary>
    /// Gets or sets the optional start chararacter.
    /// </summary>
    public char StartChar
    {
      get { return this.startChar; }
      set { this.startChar = value; }
    }
    internal char startChar;

    /// <summary>
    /// Gets or sets the optional end chararacter.
    /// </summary>
    public char EndChar
    {
      get { return this.endChar; }
      set { this.endChar = value; }
    }
    internal char endChar;

    /// <summary>
    /// Gets or sets a value indicating whether the turbo bit is to be drawn.
    /// (A turbo bit is something special to Kern (computer output processing) company (as far as I know))
    /// </summary>
    public virtual bool TurboBit
    {
      get { return this.turboBit; }
      set { this.turboBit = value; }
    }
    internal bool turboBit = false;

    internal virtual void InitRendering(BarCodeRenderInfo info)
    {
      if (this.text == null)
        throw new InvalidOperationException(BcgSR.BarCodeNotSet);

      if (this.Size.IsEmpty)
        throw new InvalidOperationException(BcgSR.EmptyBarCodeSize);
    }

    /// <summary>
    /// When defined in a derived class renders the code.
    /// </summary>
    protected internal abstract void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position);
  }
}
